toRational problem

[Marcin 'Qrczak' Kowalczyk]

Mon, 16 Apr 2001 19:03:21 -0700, Ashley Yakeley <ashley@semantic.org> pisze:

> >> Why (toRational 0.9) == (9 % 10) is False?

Because the type of 0.9 is ambiguous and is being defaulted to Double.

You can just write 0.9: it will have type Rational if needed. No need
to convert it.

You can also add
    default (Integer, Rational)
in the module to let ambiguous numeric types default to Rational.

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